Tank-automotive and Armaments Command recently changed its cloth face mask requirements to exclude those masks with exhalation valves. This means that face masks with exhalation valves will no longer ...

You might not know it, but the N95 respirator actually has a close cousin. One variation of the mask has an exhalation valve right in front of the mouth. It’s a one-way trip for airflow. When you ...

JOHNSON CITY, Tenn. (WJHL)- Chief Infection Prevention Officer for Ballad Health, Jamie Swift, announced an update to the hospital system’s mask mandate policy, effective Thursday. Swift said that ...

ATLANTA — There is one mask that's becoming popular online, but medical experts said it does more harm than good. Masks with what's called an exhalation valve promise better comfort than traditional ...

Since it's possible to transmit the coronavirus even if you aren't showing symptoms, the CDC recommends covering your face to protect others. You can buy disposable masks, sew your own out of fabric, ...

Forbes contributors publish independent expert analyses and insights. I write about the brain and the body but sometimes other things. New videos show how the N95 masks with an exhalation valve ...

Using high-speed video and schlieren imaging, a research engineer has created videos that show how air flows through masks with and without exhalation valves. Many people wear masks in public to slow ...

SAN FRANCISCO (KGO) -- As multiple large wildfires rage in the Bay Area, we now need to mask up for another reason. Air quality in parts of the Bay Area was the worst in the world Wednesday, with much ...

LOS ANGELES - Until a coronavirus vaccine is made widely available, social distancing measures like avoiding large crowds, proper hand-washing techniques and wearing facial coverings are the best ...

In some states and major cities, it’s now mandatory to wear a mask in public to prevent the spread of COVID-19. That mask could be anything from a handkerchief to a designer cotton mask to a ...

LOS ANGELES - Until a coronavirus vaccine is made widely available, social distancing measures like avoiding large crowds, proper hand-washing techniques and wearing facial coverings are the best ...